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Finding the Fourth Proportional to 111,479.68, 167,087.68 and 49,019.52

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Solution

The fourth proportional to 111,479.68, 167,087.68 and 49,019.52 is: 73,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,479.68 : 167,087.68 = 49,019.52 : x
  2. Step 2: Convert to fraction form
    111,479.68/167,087.68 = 49,019.52/x
  3. Step 3: Cross multiply
    111,479.68x = 167,087.68 × 49,019.52
  4. Step 4: Simplify right side
    111,479.68x = 8,190,557,871.51
  5. Step 5: Solve for x
    x = 8,190,557,871.51/111,479.68
  6. Step 6: Final answer
    x = 73,471.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.